Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
tang luan » dung luan
thanh hai » thanh phan, thanh hoa, thanh san
dang van » hoang van, hang va
hanh hai » nhanh hai, hang hai, hanh tai
nganh ky » nganh y, nganh xay, hanh ky
hieu ve » hieu va, hieu van
cac dat » cac dan, cai dat, cac dai
ve cac » va cac, vien cac
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nganh ky ((tang luan) or (dang van)) hoi. hieu ve cac dat va ((hanh hai) or (thanh hai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh ky ((tang luan) OR (dang van)) hoi. hieu ve cac dat va ((hanh hai) OR (thanh hai)) cua te.
• Adding a wildcard symbol may retrieve word variants: hoc nganh ky ((tang luan) or (dang van)) hoi. hieu ve cac dat va ((hanh hai) or (thanh hai)) cua te*.